Fuel Hoses Inside Engine Compartment, Engine Codes CVCA
This seals the fuel systems better.
The very thin locking layer of the inside of the fuel hoses gets damaged when removing the fuel hoses.
It is not possible to see this damage.
After sometime the fuel system will start to leak.
If it is necessary to remove the fuel filter to have more space, then leave the fuel hoses connected to the fuel filter and high pressure pump. Place the fuel filter with the hoses still connected on the engine to prevent replacing the hoses unnecessarily, refer to REMOVING .
Use other fuel system connection points in the engine compartment to disconnect, refer to REMOVING .
Disconnect the connector couplings. Refer to CONNECTOR COUPLINGS, SEPARATING .
- If fuel hoses having a 2-wave profile and biting edge connection are removed, then they must be replaced.
If a fuel hose cannot be removed by hand from the hose connection:
Never insert a screwdriver or similar tool between the hose and the hose connection.
- Danger of causing damage to the connection - the part must be replaced.
-- Turn the fuel hose with pliers and remove the hose.
If it is still not possible to remove the fuel hose from the hose connection:
-- Cut along the fuel hose only up to the cloth layer and the remove the hose.
- Do not cut through the inner rubber layer. The entire part must be replaced if the connection gets damaged.
Clean the hose connection thoroughly of grease, oil and dirt before connecting the new fuel hose. Do not use any metal tools that could damaged the hose connection.
Attach the fuel hose to the connection without using any grease and secure it with a spring clamp.